WeatherLok Series 450/460

Make the most of your new construction investment with the WeatherLok Double Hung Series 450. This window features a beautiful true brick mould exterior frame perimeter and an integrated J-Channel for ease of installation. The Series 460 is available if you don't desire a J-Channel.

Picture Windows and Series 451/461 Sliders available.


Standard Features

  • Standard Features
  • Beautiful, true brick mould exterior frame perimeter
  • Integrated J-channel and nail fin simplify installation
  • DP 35 rating (Series 455/465 available with DP 50 option)
  • Continuous head and sill on twins and triples
  • Custom sizes available
  • Limited lifetime warranty
  • Block & tackle balance system
  • Half screen standard
  • Insulated glass panels with optimum thermal air space featuring Warm-Edge Spacer System.
  • Jamb depth 3.868"


  • Colors: White, Almond and Clay
  • Today's nine most popular painted exterior colors (on white interiors)
  • 31/4" Flat casing with bull nose design optional
  • 3/4" and 5/8" flat, 5/8" and 1" contoured grids
  • 1 1/8" Simulated Divided Lite grid
  • Factory Mulling
  • Wood Jamb Extender
  • Brass or Brushed Nickel Locks
  • Ultra Low-E Argon (May be required for Energy Star rating)
  • Low-E glass with Argon Gas
  • Low-E glass
  • Sash Limiter
  • Night Latch
  • Charcoal aluminum mesh screen


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Proud of our People.

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